public void TestGetPlayerRating()
{
var testSubject = new EloRatingSystem();
var testResult = testSubject.GetPlayerRating(true, false, 1200, 1000, 20);
Assert.AreEqual(1205, testResult.Item1);
Assert.AreEqual(995, testResult.Item2);
testResult = testSubject.GetPlayerRating(false, true, 1200, 1000, 20);
Assert.AreEqual(1185, testResult.Item1);
Assert.AreEqual(1015, testResult.Item2);
}
public void BasicExample()
{
//an adjacency graph where [i,j], [j,i] would be the two choices
// [i,j] playerA likes playerB and [j,i] playerB likes playerA
var games = new[, ]
{
{ 0, 0, 0, 1, 1 },
{ 1, 0, 1, 1, 1 },
{ 1, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 0 },
{ 1, 0, 1, 1, 0 }
};
var players = new[]
{ new EloPlayer("A"), new EloPlayer("B"), new EloPlayer("C"), new EloPlayer("D"), new EloPlayer("E") };
var testSubject = new EloRatingSystem();
testSubject.PlayGame(players, games);
Assert.AreEqual(908D, players[0].Rating);
Assert.AreEqual(1011D, players[1].Rating);
Assert.AreEqual(843D, players[2].Rating);
Assert.AreEqual(847D, players[3].Rating);
Assert.AreEqual(955D, players[4].Rating);
testSubject = new EloRatingSystem(true);
testSubject.PlayGame(players, games);
Assert.AreEqual(941D, players[0].Rating);
Assert.AreEqual(1005D, players[1].Rating);
Assert.AreEqual(843D, players[2].Rating);
Assert.AreEqual(874D, players[3].Rating);
Assert.AreEqual(965D, players[4].Rating);
Console.WriteLine(string.Join(",", players.Select(p => p.ToString())));
}
